5
6
7
8
9
100

4-1

3

100

7-4=

3

100

5+5=

10

100

2+4=

5

100

7+8=

15

500

70+80=

150

500

100+500=

600

500

200+100=

300

500

200+200=

400

500

100+200=

300

M
e
n
u